Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog
43°F
6°C
| Humidity | 97% |
| Wind Speed | SE 10 mph |
| Barometer | 30.01 in (1016.6 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 0.25 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 27 Dec 8:54 am CST |
Extended Forecast for
Niantic IL
Dense Fog Advisory December 27, 09:52am until December 27, 12:00pm
NOW until 12:00pm Sat
Dense Fog Advisory
Today
High: 56 °F
Mostly Cloudy
Tonight
Low: 53 °F⇑
Chance
ShowersSunday
High: 67 °F
Showers
Likely then
Showers and
BreezySunday Night
Low: 15 °F
Blustery.
Chance
Showers then
Mostly CloudyMonday
High: 24 °F
Partly Sunny
and WindyMonday Night
Low: 13 °F
Partly Cloudy
and Blustery
then Mostly
ClearTuesday
High: 30 °F
Mostly Sunny
Tuesday Night
Low: 23 °F
Partly Cloudy
Detailed Forecast
Today
Mostly cloudy, with a high near 56. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Tonight
A 40 percent chance of showers, mainly after midnight. Cloudy, with a temperature rising to around 59 by 4am. South wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Showers likely and possibly a thunderstorm before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 67. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers before midnight. Mostly cloudy, with a low around 15. Wind chill values between -1 and 9. Blustery, with a west northwest wind 22 to 29 mph, with gusts as high as 39 mph.
Monday
Partly sunny, with a high near 24. Windy, with a west northwest wind 23 to 30 mph, with gusts as high as 45 mph.
Monday Night
Mostly clear, with a low around 13. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 30. West wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 17.
New Year's Day
Mostly sunny, with a high near 26.
Thursday Night
Mostly clear, with a low around 10.
Friday
Sunny, with a high near 26.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Niantic IL
39.85°N 89.17°W (Elev. 600 ft)
39.85°N 89.17°W (Elev. 600 ft)
9:37 am CST Dec 27, 2025
9am CST Dec 27, 2025-6pm CST Jan 2, 2026
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